生物医药大词典
英文: An impenetrable fortress.
中文: 无法通过的森林英文: A fortress often has turrets.
中文: 堡垒往往带有塔楼。英文: Our ship bombarded their fortress.
中文: 我们的战舰猛轰他们的炮台。英文: Sit down before a fortress
中文: 扎营围困一个要塞。英文: The army assailed the fortress.
中文: 军队袭击那个要塞。